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National Stock Number:
5306-01-022-1949
Federal Supply Class:
5306
National Item Identification Number:
010221949
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| 6391-2134 | 0KDP7 | KIDDE-FENWAL, LLC | | EWB0420-5H34 | 56878 | SPS TECHNOLOGIES, LLC | | EWB0420H5-34 | 56878 | SPS TECHNOLOGIES, LLC | | EWB0420-5H34 | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.562 INCHES MINIMUM AND | | 0.612 INCHES MAXIMUM | | FASTENER LENGTH | 2.697 INCHES MINIMUM AND | | 2.727 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.338 INCHES MINIMUM AND | | 0.358 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.368 INCHES MINIMUM AND | | 0.377 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.072 INCHES MINIMUM AND | | 0.092 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.055 INCHES NOMINAL | | GRIP LENGTH | 2.115 INCHES MINIMUM AND | | 2.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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